Electric hair brush



FIG. 1 is top, front and right side perspective view of an electric hair brush showing my new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 shown in FIG. 1.

The evenly-incremented broken lines in the drawings depict portions of the electric hair brush that form no part of the claimed design. The long-dash-short-dash circles shown in broken lines in FIGS. 1 and 9 illustrate the bounds of the enlarged portion shown in FIG. 9 (and from where it was extracted from FIG. 1), and form no part of the claimed design. 

CLAIM The ornamental design for an electric hair brush, as shown and described. 